Company Profile
QINGDAO QUANLONG METAL MATERIALS CO.,LTD is an professional manufacturer covering steel R&D, Production and Sales for 15 years with 12 years export experience.
We specialize in PPGI, PPGL, GI, GL, Corrugated Roofing Sheet, Embossed PPGI/PPGL, Steel Strip etc.
Our products are sold in more than 100 countries, such as Africa, Southeast Asia, the Middle East, East of Europe and South America etc.












QINGDAO QUANLONG METAL MATERIALS CO.,LTD is an professional manufacturer covering steel R&D, Production and Sales for 15 years with 12 years export experience.
We specialize in PPGI, PPGL, GI, GL, Corrugated Roofing Sheet, Embossed PPGI/PPGL, Steel Strip etc.
Our products are sold in more than 100 countries, such as Africa, Southeast Asia, the Middle East, East of Europe and South America etc.
Thickness | 0.12-4mm | |
Width | 600-1500mm | |
Zinc coating | Zn Coating | AZ Coating |
30-275gsm | 30-275gsm | |
Grade | Galvanized | Galvalume |
DX51D+Z, DX52D+Z, DX53D+Z, DX54D+Z, DX56D+Z, DX57D+Z, DC51D+Z, SGCC, SGCD, S220GD+Z, S250GD+Z, S280GD+Z, S320GD+Z, S350GD+Z, S550GD+Z | SGLCC,SGLCD,SGLC440,SGLC570 ASTMA792,ASTMA755 DX51D+AZ,DX52D+AZ,DX53D+AZ,DX54D+AZ S250GD+AZ,S280GD+AZ,S320GD+AZ,S350GD+AZ,S550GD+AZ | |
Surface treatment | Galvanized,chromed / oiled/slightly oiled/ dry | skin passed or non-skin passed chromed / skin pass/ oiled/slightly oiled/ dry/ anti-fingerprint |
Hardness | soft, full hard, half hard | |
Spangle | zero spangle / minimized spangle / regular spangle/ big spangle | |
ID coil | 508mm or 610mm | |
Package: | Standard export package | |
Application: | Industrial panels, roofing and siding for painting |
Chemical Composition | |||||||
GRADE | C | Si | Mn | P | S | Ti | |
SGCC/DX51D+Z | ≤0.10 | ≤0.50 | ≤0.60 | ≤0.10 | ≤0.030 | ≤0.020 | |
DX52D+Z | ≤0.10 | ≤0.50 | ≤0.60 | ≤0.10 | ≤0.030 | ≤0.020 | |
SGCD/DX53D+Z | ≤0.10 | ≤0.30 | ≤0.50 | ≤0.05 | ≤0.030 | ≤0.020 | |
SGCE/DX54D+Z | ≤0.10 | ≤0.30 | ≤0.30 | ≤0.03 | ≤0.020 | ≤0.020 | |
DX56D+Z | ≤0.10 | ≤0.30 | ≤0.30 | ≤0.03 | ≤0.020 | ≤0.020 | |
Structural | ≤0.20 | ≤0.60 | ≤1.70 | ≤0.10 | ≤0.045 | ≤0.020 | |
Mechanical Properties | |||||||
GRADE | Yield Strength MPa | Tensile Strength MPa | Elongation % | ||||
SGCC(DX51D+Z) | ≥205 | ≥270 | - | ||||
SGCD(DX53D+Z) | - | ≥270 | 38 | ||||
SGCE(DX54D+Z) | - | ≥270 | 40 | ||||
DX56D+Z | - | ≥270 | 42 |











